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bonufazy [111]
3 years ago
6

Do I just have to put H2O behind these red equations ?

Chemistry
1 answer:
IrinaVladis [17]3 years ago
7 0

Answer:

let's do no.3

Na2O+H2SO4 > Na2SO4 +H2O

Al2O3+3H2SO4>Al2(SO4)3+3H2O

the three before the sulphuric acid is such that the equation balances on both ends

...hope this helps

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QveST [7]

Answer:

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5 0
3 years ago
In witch step did a chemical change most likely occur
11Alexandr11 [23.1K]

Answer:

step 2

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Which is the top layer of the thermosphere?
timama [110]
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3 0
3 years ago
A compound found in the athletes urine had a percent composition of 80.8% carbon, 8.97% hydrogen and 10.3% oxygen. What is the E
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Answer:

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Explanation:

C=12g/mol

H=1g/mol

O=16g/mol

Part (C) of compound-80.18%

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(0.103 x 312)/16 = 2

Therefore the emp. formula is C12H28O2

8 0
3 years ago
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